D976 A7 Diesel engine

The Liebherr diesel engine D976 A7 with 6 cylinders in inline-arrangement and a displacement of 18 liters has a maximum power of 620kW at 1,900 revolutions. The engine features for regulated and unregulated markets identical performances, the same requirements for the machine‘s cooling system, and the same interfaces when installed. This enables the customer to use the same device design for different emission standards.
Gallery loading.
Configuration In-line engine
Number of cylinders 6
Displacement 18.0 l
Power rating 440 - 620 kW
Max. torque 3,650 Nm
Emission standards EPA Tier 4f / EU Stage V / EPA Tier 0 (Fuel consumption optimised)
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Technical data

Configuration In-line engine
Number of cylinders 6
Flywheel housing SAE 0 / SAE 1
Bore 148 mm
Stroke 174 mm
Displacement 18.0 l
Power rating 440 - 620 kW
Rated speed 1,500 - 1,900 rpm
Max. torque 3,650 Nm
Dimensions (L/W/H) 1,545 / 987 / 1,215 mm
Dry weight 1,850 kg
Auxiliary outputs (PTO) 1
Emission standards EPA Tier 4f / EU Stage V / EPA Tier 0 (Fuel consumption optimised)

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Advantages of diesel engines

Diesel engines by Liebherr are distinguished by their high level of performance. They also impress with efficient fuel consumption. Impressive diesel engines

Production sites

Liebherr manufactures powerful diesel engines at the following locations: